79875550 has 24 divisors (see below), whose sum is σ = 155030256. Its totient is φ = 30560640.

The previous prime is 79875539. The next prime is 79875577. The reversal of 79875550 is 5557897.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 79875550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33579 + ... + 35878.

It is an arithmetic number, because the mean of its divisors is an integer number (6459594).

Almost surely, 2^79875550 is an apocalyptic number.

79875550 is a deficient number, since it is larger than the sum of its proper divisors (75154706).

79875550 is a wasteful number, since it uses less digits than its factorization.

79875550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69492 (or 69487 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 46.

The square root of 79875550 is about 8937.3122357899. The cubic root of 79875550 is about 430.6633892159.

The spelling of 79875550 in words is "seventy-nine million, eight hundred seventy-five thousand, five hundred fifty".